Stage 4

The Bottom Row

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This is the final stage for solving the Rubiks cube. To complete the bottom row we will use the following procedure:

1) Position the corners
2) Rotate the corners
3) Position the edges
4) Rotate the edges

******BEFORE YOU PROCEED******

Turn the cube upside-down so that the unfinished bottom row becomes the new top row.

Swapping the corners

Situation CSa

Swapping 3 corners
in a clockwise direction

 Left Edge UP once Top Edge LEFT once Right Edge UP Once Top Edge RIGHT once
Left Edge DOWN Once Top Edge LEFT once Right Edge DOWN Once Top Edge RIGHT once

Situation CSb

Swapping 3 corners in
an anti-clockwise direction

 Top Edge LEFT once
Right Edge UP Once Top Edge RIGHT once Left Edge UP once Top Edge LEFT once
Right Edge DOWN Once Top Edge RIGHT once Left Edge DOWN Once

Situation CSc

Swapping 2 corners
REGARDLESS of orientation

This is a quick version to swap two
corners. The procedure disregards the
orientation of the two corners. If you are
swapping two corners which are correctly
orientated, then use the method in
Situation CSd below.

 Top Edge RIGHT once

Now follow moves in
Situation CSa

Situation CSd

Swapping 2 corners
which are CORRECTLY orientated

Unlike the moves in Situation CSc,
this procedure swaps two corners and
maintains their orientation.

 Top Edge RIGHT once

Right Edge UP Once Bottom Edge LEFT once Right Edge DOWN Once
Left Edge UP once Bottom Edge RIGHT once Left Edge DOWN Once
Right Edge UP Once Bottom Edge LEFT once Right Edge DOWN Once

Do all of the above moves
once more then this one to finish:

Top Edge RIGHT once

Situation CSe

Swapping 2 corners

 Right Edge DOWN Once

Now follow moves in either
Situation CSc or CSd depending on
whether the two corners are correctly
orientated or not.

Rotating the corners

Situation ERa

Rotating 2 corners

 Left Edge DOWN Once Bottom Edge LEFT or RIGHT by 180 Degrees Left Edge UP once
Whole Cube LEFT Once
Left Edge UP once Bottom Edge LEFT or RIGHT by 180 Degrees Left Edge DOWN Once
Top Edge LEFT once

Left Edge UP once Bottom Edge LEFT or RIGHT by 180 Degrees Left Edge DOWN Once
Whole Cube RIGHT Once
Left Edge DOWN Once Bottom Edge LEFT or RIGHT by 180 Degrees Left Edge UP once
Top Edge RIGHT once

Situation ERb

Rotating 2 corners

 Right Edge DOWN Once

Now follow moves in
Situation CSc

Situation ERc

Rotating 3 corners
in clockwise direction

 Front Face RIGHT Once
Right Edge UP Once Top Edge LEFT once Right Edge DOWN Once Top Edge RIGHT once
Front Face LEFT Once Top Edge RIGHT once

**Do ALL moves once more**

Situation ERd

Rotating 3 corners
anti-clockwise direction

 Top Edge LEFT once Front Face LEFT Once
Left Edge UP once Top Edge RIGHT once Left Edge DOWN Once Top Edge LEFT once
Front Face RIGHT Once

**Do ALL moves once more**

Situation ERe

Rotating 4 corners

 Front Face RIGHT Once

Right Edge UP Once Top Edge LEFT once Right Edge DOWN Once Top Edge RIGHT once
Right Edge UP Once Top Edge LEFT once Right Edge DOWN Once Top Edge RIGHT once

Front Face LEFT Once

Swapping the edges

Situation ESa

Swapping 3 edges in
clockwise direction

 Left Edge UP or DOWN by 180 Degrees Bottom Edge RIGHT once

Left Edge DOWN Once Right Edge DOWN Once Front Face LEFT or RIGHT by 180 Degrees
Left Edge UP once Right Edge UP Once Top Edge LEFT or RIGHT by 180 Degrees

Bottom Edge LEFT once Left Edge UP or DOWN by 180 Degrees

Situation ESb

Swapping 3 edges in
anti-clockwise direction

 Left Edge UP or DOWN by 180 Degrees Bottom Edge RIGHT once

Left Edge UP once Right Edge UP Once Top Edge LEFT or RIGHT by 180 Degrees
Left Edge DOWN Once Right Edge DOWN Once Front Face LEFT or RIGHT by 180 Degrees

Bottom Edge LEFT once Left Edge UP or DOWN by 180 Degrees

Situation ESc

Swapping 2 sets of edges
which are opposite each other

 Left Edge UP or DOWN by 180 Degrees Right Edge UP or DOWN by 180 Degrees Bottom Edge LEFT once
Middle Section UP or DOWN by 180 Degrees Bottom Edge LEFT or RIGHT by 180 Degrees
Middle Section UP or DOWN by 180 Degrees Bottom Edge LEFT once
Left Edge UP or DOWN by 180 Degrees Right Edge UP or DOWN by 180 Degrees

Situation Esd

Swapping 2 sets of edges
which are adjacent to each other

 Left Edge UP or DOWN by 180 Degrees Whole Cube LEFT Once Right Edge UP or DOWN by 180 Degrees Whole Cube RIGHT Once

Middle Section DOWN Once Whole Cube LEFT Once Middle Section DOWN Once
Bottom Edge RIGHT once Middle Section UP Once Whole Cube RIGHT Once Bottom Edge LEFT or RIGHT by 180 Degrees Middle Section UP Once

Bottom Edge RIGHT once

Whole Cube LEFT Once Right Edge UP or DOWN by 180 Degrees Whole Cube RIGHT Once Left Edge UP or DOWN by 180 Degrees

Rotating the edges

Situation ERa

Rotating 2 edges

 Left Edge DOWN Once Middle Section LEFT or RIGHT by 180 Degrees Left Edge UP or DOWN by 180 Degrees
Middle Section RIGHT Once Left Edge DOWN Once Top Edge LEFT once Left Edge UP once
Middle Section LEFT Once Left Edge UP or DOWN by 180 Degrees
Middle Section LEFT or RIGHT by 180 Degrees Left Edge UP once Top Edge RIGHT once

Situation ERb

Rotating 2 edges:
opposite each other

Notice how this procedure
is very similar to the one above
except for the extra rotation
used for the top row.

Compare the 4th & last move
in this procedure with the ones
in Situation ERa.

 Left Edge DOWN Once Middle Section LEFT or RIGHT by 180 Degrees Left Edge UP or DOWN by 180 Degrees
Middle Section RIGHT Once Left Edge DOWN Once Top Edge LEFT or RIGHT by 180 Degrees Left Edge UP once
Middle Section LEFT Once Left Edge UP or DOWN by 180 Degrees
Middle Section LEFT or RIGHT by 180 Degrees Left Edge UP once Top Edge LEFT or RIGHT by 180 Degrees

Situation ERc

Rotating 4 edges

 Right Edge UP or DOWN by 180 Degrees Bottom Edge RIGHT once Left Edge UP or DOWN by 180 Degrees

Middle Section DOWN Once Bottom Edge LEFT once

Repeat these two
moves 4 times

Left Edge UP or DOWN by 180 Degrees Bottom Edge LEFT once Right Edge UP or DOWN by 180 Degrees